[sdiy] oscilloscope single/dual ?

[Scott Gravenhorst]

Magnus Danielson <cfmd at bredband.net> wrote:
>From: Scott Gravenhorst <music.maker at gte.net>
>Subject: Re: [sdiy] oscilloscope single/dual ?
>Date: Mon, 28 Jun 2004 14:56:49 -0700
>Message-ID: <200406282156.i5SLuni18760 at linux6.lan>
>
>Scott,
>
>> I've had both dual and single trace scopes.  Dual wins by a goodly
>> margin.  Some things can be done with add/subtract, others are not so
>> easy.  Plus the add/subtract is built in on a decent dual trace, plus the
>> ability to trigger off of either channel.  
>>
>> If this is a democracy, I vote dual.
>
>Dual trace or dual channel?
>
>There is a difference you know... ;O)

Actually, I didn't.  What is the difference?  

Also, how can one implement dual trace without two input channels?  

What I mean, is two separate input channels where each channel can either be
selected as the sole displayed trace, or both can be displayed as separate
traces in either alternate or chop mode, or the two input channels can be
either added or subtracted and displayed as one trace.  Is that dual channel or
dual trace?

>
>Dual channel - sure. Dual trace, I'm not so sure it's worth the money.
>
>I'm sure I could have you flooded with pictures outside and inside one or a
>pair of good old Tektronix dual-trace scopes fairly quickly if I asked for it.
>
>Cheers,
>Magnus - with a 7 channel oscilloscope
>

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